Filter



FIG. 1 is a front view of a filter showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a sectional view of 8-8 in FIG. 1.

The evenly spaced broken lines depict portions of the filter that form no part of the claim. 

CLAIM A new, original, ornamental design for a filter, as shown and described. 